Re: CMD640B secondary interface

mlord (mlord@pobox.com)
Thu, 30 May 1996 18:38:46 -0400

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Maybe in reply to: Ulrich Windl: "CMD640B secondary interface"

Amitay B Isaacs wrote:
>
> | Is it true that you cant connect a single CD-ROM as slave on the
> | secondary port of a CMD640B? It works with DOS (if that means
> | anything), but even won't with "hdd=cdrom". You'll get unexpected
> | interrupts with status=0xff.
> |
>
> If you check the code in cmd640.c in drivers/block, there is a routine
> which checks for the secondary port secondary_port_responding(). Apparently
> that routine returns 0xff inspite of device being present on the secondary
> IDE interface.

I'll fix this for the next update. I'm also still looking for
more folks who have seen the "Hmmm.. probably a driver problem" message.

-ml
mlord@pobox.com
(the Linux IDE guy)

Next message: H. Peter Anvin: "Re: CONFIG_RANDOM option for 1.99.2"
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Maybe in reply to: Ulrich Windl: "CMD640B secondary interface"